86233540 has 12 divisors (see below), whose sum is σ = 181090476. Its totient is φ = 34493408.

The previous prime is 86233529. The next prime is 86233573. The reversal of 86233540 is 4533268.

It can be written as a sum of positive squares in 2 ways, for example, as 65512836 + 20720704 = 8094^2 + 4552^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2155819 + ... + 2155858.

It is an arithmetic number, because the mean of its divisors is an integer number (15090873).

Almost surely, 2^86233540 is an apocalyptic number.

It is an amenable number.

86233540 is an abundant number, since it is smaller than the sum of its proper divisors (94856936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86233540 is a wasteful number, since it uses less digits than its factorization.

86233540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311686 (or 4311684 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 86233540 is about 9286.2015916089. The cubic root of 86233540 is about 441.7996881078.

The spelling of 86233540 in words is "eighty-six million, two hundred thirty-three thousand, five hundred forty".